Base | Representation |
---|---|
bin | 11001000111110… |
… | …001111100110111 |
3 | 1002101001220011021 |
4 | 121013301330313 |
5 | 1330344020012 |
6 | 105453322011 |
7 | 13305302350 |
oct | 3107617467 |
9 | 1071056137 |
10 | 421470007 |
11 | 1a69aa722 |
12 | b9196307 |
13 | 6941ab4a |
14 | 3dd92d27 |
15 | 27005007 |
hex | 191f1f37 |
421470007 has 8 divisors (see below), whose sum is σ = 483472800. Its totient is φ = 359915424.
The previous prime is 421469969. The next prime is 421470011. The reversal of 421470007 is 700074124.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 421470007 - 27 = 421469879 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (421470067) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110032 + ... + 113797.
It is an arithmetic number, because the mean of its divisors is an integer number (60434100).
Almost surely, 2421470007 is an apocalyptic number.
421470007 is a deficient number, since it is larger than the sum of its proper divisors (62002793).
421470007 is a wasteful number, since it uses less digits than its factorization.
421470007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224105.
The product of its (nonzero) digits is 1568, while the sum is 25.
The square root of 421470007 is about 20529.7347035952. The cubic root of 421470007 is about 749.7599273098.
The spelling of 421470007 in words is "four hundred twenty-one million, four hundred seventy thousand, seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •